Geronimo Stiltonoot, ancient ancestor of Geronimo Stilton, and his friend Hercule Poirat are on the case of the stolen Stone of Fire from the mouseum. "Old Mouse City is in an uproar. The most precious artifact in the mouseum -- the Stone of Fire -- has been stolen! Geronimo Stiltonoot and his cavemouse friend Hercule Poirat are on the case. It's up to them to retrieve the stone from the ferocious Tiger Khan and his band of fearsome felines!"--Page...

Geronimo Stilton's ancient ancestor Geronimo Stiltonoot is back in another prehistoric adventure. Geronimo Stiltonoot and his family are off to find a cure for Grandma Ratrock's aches and pains. She's heard that a remedy hides in a legendary valley, and Geronimo isn't even sure it exists. Little does he know that getting there will be an adventure among geysers, volcanoes, and rivers of molten lava.

"Geronimo Stilton's ancient ancestor Geronimo Stiltonoot is back in another prehistoric adventure! It's the annual cavemouse sports competition! This year, Tiger Khan and his saber-toothed henchmen want to enter the games. They call a truce with the cavemice during the tournament...but when their flag goes missing, Tiger Khan is furious. Can Geronimo Stiltonoot track it down in time to keep his fur intact?" --

Geronimo Stilton's ancient ancestor, Geronimo Stiltonoot, and his family save a young dinosaur from the river. Can Geronimo get him back to his herd before he causes a disaster?

When Bart Barnacle decides he's ready to return to his pirate island home, the Stiltonoots accompany him on the dangerous journey.

Geronimo and his friends participate in a treasure hunt set up by his rival and are determined to overcome all of its challenging obstacles, including tricky riddles and smelly dinosaurs.

Geronimo Stiltonoot and his friends embark on a daring journey to find the missing mammoths.